类似YouTube的GUID [英] YouTube-like GUID

问题描述

是否有可能产生的YouTube（N7Et6c9nL9w）短GUID是怎样的？

Is it possible to generate short GUID like in YouTube (N7Et6c9nL9w)?

如何能不能做到？我想用它的Web应用程序。

How can it be done? I want to use it in web app.

推荐答案

您可以使用的Base64：

You could use Base64:

string base64Guid = Convert.ToBase64String(Guid.NewGuid().ToByteArray());

这会产生像字符串E1HKfn68Pkms5zsZsvKONw == 。由于GUID永远是128位，则可以省略 == ，你知道永远是present在年底会给你一个22字符的字符串。这不是短的YouTube虽然。

That generates a string like E1HKfn68Pkms5zsZsvKONw==. Since a GUID is always 128 bits, you can omit the == that you know will always be present at the end and that will give you a 22 character string. This isn't as short as YouTube though.

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